Table 1

Male:female ratios of expression for A and X or Z genes in four species

Species and tissue
A mean
A median
X or Z mean
X or Z median
Male X:A or Z:A ratio
Female X:A or Z:A ratio

Mouse






Brain
1.00
1.00
0.997
0.997
1.30
1.28
Muscle
1.01
0.990
0.967
0.960
0.866
0.875
Liver
1.03
0.993
1.01
0.975
0.726
0.729
Adipose
1.02
0.976
1.04
0.989
0.768
0.755







Human






Hypothalamus
1.03
1.01
1.01
1.000
1.03
1.05
Muscle
1.02
1.01
0.990
0.989
1.14
1.26
LB cells
1.00
1.00
0.973
0.987
N/A
N/A
PBM cells
1.00
1.00
1.00
1.001
0.979
0.981







Zebra finch






Adult brain
1.04
0.988
1.29
1.25
N/A
N/A
P1 brain
0.994
0.957
1.23
1.16
N/A
N/A
Liver
0.984
0.950
1.19
1.07
N/A
N/A
Kidney
1.04
1.01
1.13
1.09
N/A
N/A







Chicken






Brain
0.997
1
1.40
1.34
1.03
0.771
Heart
1.02
1.02
1.34
1.31
0.923
0.707
Liver
0.989
0.978
1.24
1.20
1.08
0.877

The table shows unlogged values.

Itoh et al. Journal of Biology 2007 6:2   doi:10.1186/jbiol53